Centretown Observatory:

Baro. Pressure + Rel. Humidity

Times in Eastern Daylight Time (EDT = GMT-4)

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   LIVE OBSERVATIONS at CTO Weather Centre - Tuesday, April 1, 2025 at 20:34 EDT
   TODAY:

   Tuesday

   Reading

   Time

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Current Barometric Pressure:

               

   Maximum Today:

20:29     2014      

   Minimum:

01:04           2023

   Mean:

  2019 2016
 

   Current Relative Humidity:

41 %   37 %                

   Maximum Today:

79 % 01:04 81 %     93 % 2023      

   Minimum:

29 % 16:04 33 %           24 % 2024

   Mean:

54 %   57 % 59 % 80 % 2023 19 % 2017
 

   YESTERDAY:

   Monday

   Reading

   Time

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Maximum Barometric Pressure:

00:54   2023      

   Minimum:

13:04           2022

   Mean:

   mb 2014 2022
 

   Maximum Relative Humidity:

99 % 01:04 100 %     99 % 2025      

   Minimum:

75 % 21:19 78 %           18 % 2024

   Mean:

87 %   89 % 55 % 87 % 2025 28 % 2017
 

   TOMORROW:

   Wednesday

         

   Normal

   RecHi

   YY

   RecLo

   YY

   Barometric Pressure:

              2021 2016

   Daily Mean BP:

           mb 2021 2016
 

   Relative Humidity:

              95 % 2024 8 % 2021

   Daily Mean RH:

          56 % 63 % 2015 27 % 2017
 

   THIS MONTH:

   Apr Means + Records

   Mean

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Monthly Mean BP:

 mb 2013 2020
 

   Monthly Mean RH:

n/a % n/a % % 62 % 2018 22 % 2017
 

   Daily Extremes + Records

   Max

   DD

   Min

   DD

   RecHi

   YY-DD

   RecLo

   YY-DD

   Barometric Pressure:

n/a n/a 2023-30 2020-17

   Daily Mean BP:

n/a n/a 2023-30 2012-19
 

   Relative Humidity:

n/a % n/a n/a % n/a 100 % 2024-05 1 % 2017-06

   Daily Mean RH:

n/a % n/a n/a % n/a 91 % 2018-17 1 % 2017-06
 

   LAST MONTH:

   Mar Means + Records

   Mean

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Mean Barometric Pressure:

 mb 2021 2025
 

   Mean Relative Humidity:

66 % 70 % 60 % 70 % 2023 39 % 2017
 

   Daily Extremes + Records

   Max

   DD

   Min

   DD

   RecHi

   YY-DD

   RecLo

   YY-DD

   Barometric Pressure:

28 06 2020-22 2023-10

   Daily Mean BP:

03 06 2020-22 2023-10
 

   Relative Humidity:

99 % 04 24 % 27 100 % 2023-03 1 % 2017-27

   Daily Mean RH:

92 % 05 46 % 23 100 % 2023-05 1 % 2017-27
 

   NEXT MONTH:

   May Monthly Records

     Normal

   RecHi

   YY

   RecLo

   YY

   Mean Barometric Pressure:

   mb 2023 2017
 

   Mean Relative Humidity:

  56 % 68 % 2024 44 % 2023
 

   May Daily Records

 

   RecHi

   YY-DD

   RecLo

   YY-DD

   Barometric Pressure:

  2023-26 2023-01

   Daily Mean BP:

  2023-26 2023-01
 

   Relative Humidity:

  99 % 2013-23 1 % 2017-01

   Daily Mean RH:

  87 % 2015-11 1 % 2017-01
 

   THIS YEAR:

   2025 Means + Records

   Mean

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Annual Mean BP:

 mb 2013 2012
 

   Annual Mean RH:

70 % 72 % 61 % 70 % 2018 54 % 2013
 

   Monthly Extremes + Records

   Max

   MM

   Min

   MM

   RecHi

   YY-MM

   RecLo

   YY-MM

   Monthly Mean BP:

Feb Mar 2023-May 2018-Jul
 

   Monthly Mean RH:

73 % Jan 66 % Mar 83 % 2023-Jan 22 % 2017-Apr
 

   Daily Extremes + Records

   Max

   MM-DD

   Min

   MM-DD

   RecHi

   Date

   RecLo

   Date

   Barometric Pressure:

Feb-02 Mar-06 2023-05-26 2021-08-10

   Daily Mean BP:

Feb-02 Mar-06 2023-05-26 2021-08-10
 

   Relative Humidity:

99 % Mar-04 24 % Mar-27 100 % 2021-06-13 0 % 2019-06-16

   Daily Mean RH:

92 % Mar-05 46 % Mar-23 100 % 2022-12-31 1 % 2017-03-27
 

   LAST YEAR:

   2024 Means

   Mean

   Airport

   Normal

   Annual Mean BP:

 mb
 

   Annual Mean RH:

68 % 77 % 61 %

   Monthly Extremes

   Max

   MM

   Min

   MM

   Monthly Mean BP:

Dec Jun
 

   Monthly Mean RH:

79 % Jan 58 % Mar

   Daily Extremes

   Max

   MM-DD

   Min

   MM-DD

   Barometric Pressure:

Dec-14 Jan-10

   Daily Mean BP:

Dec-14 Jan-10
 

   Relative Humidity:

100 % Jan-11 6 % Oct-20

   Daily Mean RH:

100 % Jan-27 31 % Apr-10
This page was last regenerated 2025-04-01@20:35.
It is sheduled to be regenerated whenever there are new data; approximately every five minutes.
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BP - Live - Today:
 

RH - Live - Today:
 

BP - Live - Past 24 Hours:
 

RH - Live - Past 24 Hours:
 

BP - Live - Yesterday:
 

RH - Live - Yesterday:
 

BP - Live - Past 7 Days:
 

RH - Live - Past 7 Days: